Refactor Handler code.

Use servlets for everything.
Ping service not yet implemented (becuase it's ugly and will be replaced
with something else).

6 files changed, 111 insertions, 62 deletions

diff --git a/same/src/main/java/com/orbekk/same/ClientApp.java b/same/src/main/java/com/orbekk/same/ClientApp.java
index 3c67ae2..499e8ef 100644
--- a/same/src/main/java/com/orbekk/same/ClientApp.java
+++ b/same/src/main/java/com/orbekk/same/ClientApp.java
@@ -6,6 +6,7 @@ import org.slf4j.LoggerFactory;
 
 import com.googlecode.jsonrpc4j.JsonRpcServer;
 import com.orbekk.net.HttpUtil;
+import com.orbekk.same.http.RpcHandler;
 
 public class ClientApp {
     private Logger logger = LoggerFactory.getLogger(getClass());
diff --git a/same/src/main/java/com/orbekk/same/SameController.java b/same/src/main/java/com/orbekk/same/SameController.java
index b75de96..bc912e6 100644
--- a/same/src/main/java/com/orbekk/same/SameController.java
+++ b/same/src/main/java/com/orbekk/same/SameController.java
@@ -1,6 +1,10 @@
 package com.orbekk.same;
 
+import org.eclipse.jetty.server.Handler;
 import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.server.handler.HandlerList;
+import org.eclipse.jetty.servlet.ServletContextHandler;
+import org.eclipse.jetty.servlet.ServletHolder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -8,6 +12,10 @@ import com.googlecode.jsonrpc4j.JsonRpcServer;
 import com.orbekk.net.HttpUtil;
 import com.orbekk.paxos.PaxosService;
 import com.orbekk.paxos.PaxosServiceImpl;
+import com.orbekk.same.http.HandlerFactory;
+import com.orbekk.same.http.RpcHandler;
+import com.orbekk.same.http.ServerBuilder;
+import com.orbekk.same.http.StateServlet;
 
 public class SameController implements UrlReceiver {
     private Logger logger = LoggerFactory.getLogger(getClass());
@@ -30,23 +38,18 @@ public class SameController implements UrlReceiver {
         
         MasterServiceImpl master = new MasterServiceImpl(state, connections,
                 broadcaster);
-        JsonRpcServer jsonMaster = new JsonRpcServer(master, MasterService.class);
         ClientServiceImpl client = new ClientServiceImpl(state, connections);
-        JsonRpcServer jsonClient = new JsonRpcServer(client.getService(),
-                ClientService.class);
         PaxosServiceImpl paxos = new PaxosServiceImpl("");
-        JsonRpcServer jsonPaxos = new JsonRpcServer(paxos, PaxosService.class);
         
-        Server server = new Server(port);
+        Server server = new ServerBuilder(port)
+                .withServlet(new StateServlet(), "/_/state")
+                .withService(client.getService(), ClientService.class)
+                .withService(master, MasterService.class)
+                .withService(paxos, PaxosService.class)
+                .build();
+        
         SameController controller = new SameController(port, server, master, client,
                 paxos);
-        RpcHandler rpcHandler = new RpcHandler(null);
-        
-        rpcHandler.addRpcServer("/MasterService.json", jsonMaster);
-        rpcHandler.addRpcServer("/ClientService.json", jsonClient);
-        rpcHandler.addRpcServer("/PaxosService.json", jsonPaxos);
-        
-        server.setHandler(rpcHandler);
         return controller;
     }
     
diff --git a/same/src/main/java/com/orbekk/same/http/HandlerFactory.java b/same/src/main/java/com/orbekk/same/http/HandlerFactory.java
deleted file mode 100644
index 5d5d34c..0000000
--- a/same/src/main/java/com/orbekk/same/http/HandlerFactory.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package com.orbekk.same.http;
-
-import org.eclipse.jetty.server.Handler;
-import org.eclipse.jetty.server.handler.ContextHandler.Context;
-import org.eclipse.jetty.server.handler.HandlerList;
-import org.eclipse.jetty.servlet.ServletContextHandler;
-import org.eclipse.jetty.servlet.ServletHandler;
-import org.eclipse.jetty.servlet.ServletHolder;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.googlecode.jsonrpc4j.JsonRpcServer;
-import com.orbekk.paxos.PaxosService;
-import com.orbekk.same.ClientService;
-import com.orbekk.same.MasterService;
-
-public class HandlerFactory {
-    Logger logger = LoggerFactory.getLogger(getClass());
-    
-    public Handler createServletHandler() {
-        logger.info("Creating servlet handler.");
-        ServletContextHandler context = new ServletContextHandler(
-                ServletContextHandler.SESSIONS);
-        context.setContextPath("/*");
-        context.addServlet(new ServletHolder(new StateServlet()), "/*");
-        return context;
-    }
-    
-    public RpcHandler createRpcHandler(MasterService master,
-            ClientService client, PaxosService paxos) {
-        RpcHandler rpcHandler = new RpcHandler(null);
-        rpcHandler.addRpcServer("/MasterService.json", 
-                new JsonRpcServer(master, MasterService.class));
-        rpcHandler.addRpcServer("/ClientService.json", 
-                new JsonRpcServer(client, ClientService.class));
-        rpcHandler.addRpcServer("/PaxosService.json", 
-                new JsonRpcServer(paxos, PaxosService.class));
-        return rpcHandler;
-    }
-    
-    public Handler createMainHandler(RpcHandler rpcHandler,
-            Handler servletHandler) {
-        HandlerList handler = new HandlerList();
-        handler.addHandler(rpcHandler);
-        handler.addHandler(servletHandler);
-        
-        return handler;
-    }
-            
-}
diff --git a/same/src/main/java/com/orbekk/same/http/RpcServlet.java b/same/src/main/java/com/orbekk/same/http/RpcServlet.java
new file mode 100644
index 0000000..6d73759
--- /dev/null
+++ b/same/src/main/java/com/orbekk/same/http/RpcServlet.java
@@ -0,0 +1,24 @@
+package com.orbekk.same.http;
+
+import java.io.IOException;
+
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import com.googlecode.jsonrpc4j.JsonRpcServer;
+
+public class RpcServlet extends HttpServlet {
+    JsonRpcServer rpcServer;
+    
+    public RpcServlet(JsonRpcServer rpcServer) {
+        super();
+        this.rpcServer = rpcServer;
+    }
+    
+    @Override
+    protected void doGet(HttpServletRequest request,
+            HttpServletResponse response) throws IOException {
+        rpcServer.handle(request, response);
+    }
+}
diff --git a/same/src/main/java/com/orbekk/same/http/ServerBuilder.java b/same/src/main/java/com/orbekk/same/http/ServerBuilder.java
new file mode 100644
index 0000000..a582283
--- /dev/null
+++ b/same/src/main/java/com/orbekk/same/http/ServerBuilder.java
@@ -0,0 +1,48 @@
+package com.orbekk.same.http;
+
+import javax.servlet.http.HttpServlet;
+
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.servlet.ServletContextHandler;
+import org.eclipse.jetty.servlet.ServletHolder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.googlecode.jsonrpc4j.JsonRpcServer;
+
+public class ServerBuilder {
+    Logger logger = LoggerFactory.getLogger(getClass());
+    int port;
+    ServletContextHandler context = null;    
+    
+    public ServerBuilder(int port) {
+        this.port = port;
+    }
+    
+    public ServerBuilder withServlet(HttpServlet servlet, String pathSpec) {
+        logger.info("Servlet binding: {} → {}", pathSpec, servlet);
+        getServletContextHandler().addServlet(new ServletHolder(servlet),
+                pathSpec);
+        return this;
+    }
+    
+    public <T> ServerBuilder withService(T service, Class<T> clazz) {
+        JsonRpcServer server = new JsonRpcServer(service, clazz);
+        String pathSpec = "/" + clazz.getSimpleName() + ".json";
+        return withServlet(new RpcServlet(server), pathSpec);
+    }
+    
+    public Server build() {
+        Server server = new Server(port);
+        server.setHandler(getServletContextHandler());
+        return server;
+    }
+
+    private ServletContextHandler getServletContextHandler() {
+        if (context == null) {
+            context = new ServletContextHandler();
+            context.setContextPath("/");
+        }
+        return context;
+    }
+}
diff --git a/same/src/main/java/com/orbekk/same/http/StateServlet.java b/same/src/main/java/com/orbekk/same/http/StateServlet.java
new file mode 100644
index 0000000..62b304c
--- /dev/null
+++ b/same/src/main/java/com/orbekk/same/http/StateServlet.java
@@ -0,0 +1,23 @@
+package com.orbekk.same.http;
+
+import java.io.IOException;
+
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class StateServlet extends HttpServlet {
+    private Logger logger = LoggerFactory.getLogger(getClass());
+    
+    @Override
+    protected void doGet(HttpServletRequest request,
+            HttpServletResponse response) throws IOException {
+        logger.error("GOT HERE");
+        response.setContentType("text/plain; charset=utf8");
+        response.getWriter().println("HI");
+        response.setStatus(HttpServletResponse.SC_OK);
+    }
+}